S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Mechanical Aerospace Engineering (기계항공공학부) Others_기계항공공학부
Wavelet Denoising Technique for Improvement of the Low Cost MEMS-GPS Integrated System
- Kang, Chul Woo; Kang, Chang Ho; Park, Chan Gook
- Issue Date
- 2010 International Symposium on GPS/GNSS, Taipei, Taiwan, October 26-28, 2010
- In this paper, wavelet signal processing technique is
applied to improving navigation signals. Low cost MEMS
signals can be distorted with conventional pre-filtering
method such as low-pass filtering which causes unwanted
smoothing on real signals. However, wavelet thresholding
method does not distort the rapidly-changing signal but
reduces signal noise. This paper has applied thresholding
method to low cost MEMS/GPS integrated navigation
system and verified the improvement of the navigation
performance by the experiment.
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